Port 465 (SMTPS)
HoneyLabs honeypots recorded 322 probes against destination port 465 (SMTPS) from 175 distinct source IP addresses in the last 7 days.
First observed 2026-09-23 13:05:31, most recently 2026-09-30 10:18:58 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 18.116.101.220 | 37 | Amazon.com, Inc. | US |
| 18.218.118.203 | 17 | Amazon.com, Inc. | US |
| 45.43.60.234 | 16 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | JP |
| 43.224.66.142 | 8 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
| 156.59.37.249 | 8 | Zenlayer Inc | TW |
| 108.174.199.65 | 8 | Hostwinds LLC. | US |
| 3.130.168.2 | 7 | Amazon.com, Inc. | US |
| 213.176.26.134 | 6 | KOI CLOUD SERVICES (Pty) Ltd | IR |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS16509 | Amazon.com, Inc. | 66 | 4 |
| AS8075 | Microsoft Corporation | 62 | 62 |
| AS14061 | DigitalOcean, LLC | 28 | 14 |
| AS396982 | Google LLC | 28 | 28 |
| AS135377 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 26 | 4 |
| AS398324 | Censys, Inc. | 13 | 13 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 227 |
| Japan | 16 |
| Hong Kong | 14 |
| Canada | 12 |
| Portugal | 9 |
| Taiwan | 8 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| visionheight.com/scan Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/126.0.0.0 Safari/537.36 | 48 |
| Hello from Palo Alto Networks, find out more about our scans in https://docs-cortex.paloaltonetworks.com/r/1/Cortex-Xpanse/Scanning-activity | 26 |
| Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.0.0 Safari/537.36 | 22 |
| Mozilla/5.0 (compatible; FlowIQ/1.0; +https://flowiq-labs.com/scanning-info) | 8 |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0 | 8 |
Port report
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